There are total 13 hours or 780 minutes from 7am to 8pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 8AM to 5AM | 7PM to 4PM | 9PM to 8PM |
| 12PM to 5AM | 4PM to 11PM | 3PM to 5PM |
| 4AM to 11PM | 11PM to 6PM | 4PM to 12AM |
| 6AM to 11PM | 3PM to 12AM | 9PM to 4PM |
| 2AM to 1PM | 11AM to 5AM | 12PM to 3PM |
| 1AM to 6AM | 5AM to 4PM | 10AM to 9PM |
